2120702980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{205097}}^1$

素因数の和:205164

約数の個数: 48

約数和(自身を含む): 4961730816

約数和(自身を除く): 2841027836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 205097, 410194, 820388, 1025485, 2050970, 2256067, 4101940, 4512134, 9024268, 9639559, 11280335, 19279118, 22560670, 38558236, 45121340, 48197795, 96395590, 106035149, 192791180, 212070298, 424140596, 530175745, 1060351490, 2120702980]

約数ペア:

[(1, 2120702980), (2, 1060351490), (4, 530175745), (5, 424140596), (10, 212070298), (11, 192791180), (20, 106035149), (22, 96395590), (44, 48197795), (47, 45121340), (55, 38558236), (94, 22560670), (110, 19279118), (188, 11280335), (220, 9639559), (235, 9024268), (470, 4512134), (517, 4101940), (940, 2256067), (1034, 2050970), (2068, 1025485), (2585, 820388), (5170, 410194), (10340, 205097)]